447
CDUS45 KRIW 201808 CCA
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON OCT 20 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 19 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 2:20 PM 72 2023 56 -1 54
MINIMUM 34 0:37 AM 23 1999 30 2 23
2024
AVERAGE 53 43 10 39
PRECIPITATION (IN)
YESTERDAY T 0.78 0.02 -0.02 0.00
MONTH TO DATE 1.43 0.63 0.80 0.11
SINCE SEP 1 2.42 1.40 1.02 0.18
SINCE JAN 1 8.67 7.76 0.91 5.61
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2021 0.0
MONTH TO DATE T T
SINCE SEP 1 T T
SINCE JUL 1 T T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 22 -10 26
MONTH TO DATE 280 334 -54 180
SINCE SEP 1 324 539 -215 266
SINCE JUL 1 380 575 -195 284
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NW (380)
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 76 2003
MINIMUM TEMPERATURE (F) 30 21 1996
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:34 AM MDT SUNSET 6:22 PM MDT
OCTOBER 21 2025.......SUNRISE 7:35 AM MDT SUNSET 6:21 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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